Morphological and rheological responses to the transient and steady shear flow for a phase-separated polybutadiene/polyisoprene blend
文献类型：期刊论文
| 作者 | Zou, Fasheng; Dong, Xia1; Lin, Demiao; Liu, Wei; Wang, Dujin; Han, Charles C. |
| 刊名 | POLYMER
 |
| 出版日期 | 2012-09-28 |
| 卷号 | 53期号:21页码:4818-4826 |
| 关键词 | Polybutadiene/polyisoprene Shear Viscosity Shear-induced Structures |
| ISSN号 | 0032-3861 |
| DOI | 10.1016/j.polymer.2012.08.052 |
| 英文摘要 | The morphological and rheological responses to the transient and steady shear flow for a phase-separated polybutadiene (PB)/low vinyl content polyisoprene (LPI) blend have been investigated. Under steady shear flow where the applied shear rate is not too large, the steady sheared structures become increasingly anisotropic and interconnected with an "en route" to the formation of string phases as shear rate increases. After that, the further increase of shear rate leads to a blurred domain interface. These shear-induced complex structures in turn affect the rheological response greatly and both the shear thinning and shear thickening were observed in the steady shear behavior of the phase-separated PB/LPI blend. Under transient shear flow, the time (or strain) dependence of viscosity and morphology after a shear rate jump were extensively studied in order to obtain the insight into the steady state formation and found to be mainly determined by the final shear rates. Depending on whether the transient string phases which were formed by the transient shear flow can be stabilized and with clear domain interface, three kinds of transient shear viscosity changes have been observed. Some of the observations are quite different from the model immiscible blend and believed to be closely related to the significant shear-induced mixing effect happened in the PB/LPI blend. (c) 2012 Elsevier Ltd. All rights reserved. |
| 语种 | 英语 |
| WOS记录号 | WOS:000309377400029 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/49803]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Dong, Xia |
| 作者单位 | 1.Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China 2.Chinese Acad Sci, CAS Key Lab Engn Plast, Joint Lab Polymer Sci & Mat, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zou, Fasheng,Dong, Xia,Lin, Demiao,et al. Morphological and rheological responses to the transient and steady shear flow for a phase-separated polybutadiene/polyisoprene blend[J]. POLYMER,2012,53(21):4818-4826. |
| APA | Zou, Fasheng,Dong, Xia,Lin, Demiao,Liu, Wei,Wang, Dujin,&Han, Charles C..(2012).Morphological and rheological responses to the transient and steady shear flow for a phase-separated polybutadiene/polyisoprene blend.POLYMER,53(21),4818-4826. |
| MLA | Zou, Fasheng,et al."Morphological and rheological responses to the transient and steady shear flow for a phase-separated polybutadiene/polyisoprene blend".POLYMER 53.21(2012):4818-4826. |
入库方式： OAI收割
来源：化学研究所
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